diff --git a/ArduCopter/ReleaseNotes.txt b/ArduCopter/ReleaseNotes.txt
index 0f14c20fa0..a5d8354d59 100644
--- a/ArduCopter/ReleaseNotes.txt
+++ b/ArduCopter/ReleaseNotes.txt
@@ -1,6 +1,6 @@
 ArduPilot Copter Release Notes:
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-Copter 4.3.6-beta1 25-Mar-2023
+Copter 4.3.6-beta1/beta2 27-Mar-2023
 Changes from 4.3.5
 1) Bi-directional DShot fix for possible motor stop approx 72min after startup 
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